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Irregular menstrual cycles are associated with higher risks of cardiovascular disease

Irregular menstrual cycles are associated with higher risks of cardiovascular

Women with irregular menstrual cycles may face a higher risk of cardiovascular disease, a new study suggests.

Cycles that are shorter than normal - less than 21 days - and cycles that are longer than normal - at more than 35 days - were associated with a higher risk of cardiovascular disease and atrial fibrillation, or irregular heartbeats. heart, according to the study published Wednesday in the Journal of the American Heart Association.

Specifically, "long cycles were associated with increased risk of atrial fibrillation but not myocardial infarction, heart failure, and stroke," the researchers wrote, and shorter cycles were associated with a greater risk. of coronary heart disease and myocardial infarction or heart attack.

Overall, about 14% to 25% of women have irregular menstrual cycles worldwide, according to the US National Institutes of Health.

The researchers, based in China, analyzed the health records of 58,056 women in the United Kingdom. The women, aged 40 to 69, reported on questionnaires the length and regularity of their menstrual cycles over time and other medical information over the course of about 12 years.

Among the women, 39,582 reported having regular menstrual cycles and 18,474 reported either irregular cycles.